Pollution control vessel



FIG. 1 is a side elevational view of a pollution control vessel showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front end view thereof; and

FIG. 5 is a rear end view thereof.

The side elevational view of the pollution control craft opposite the side shown in FIG. 1 is a mirror image of FIG. 1.

The dotted lines shown in FIG. 1 represent a canopy and a scoop and associated ram structure which form no part of my design being claimed herein. 

The ornamental design for a pollution control vessel, substantially as shown and described. 